651142023 has 8 divisors (see below), whose sum is σ = 992216448. Its totient is φ = 372081144.

The previous prime is 651142013. The next prime is 651142061. The reversal of 651142023 is 320241156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 651142023 - 2⁸ = 651141767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 651141984 and 651142002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651142003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15503361 + ... + 15503402.

It is an arithmetic number, because the mean of its divisors is an integer number (124027056).

Almost surely, 2^651142023 is an apocalyptic number.

651142023 is a deficient number, since it is larger than the sum of its proper divisors (341074425).

651142023 is a wasteful number, since it uses less digits than its factorization.

651142023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31006773.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 651142023 is about 25517.4846526847. The cubic root of 651142023 is about 866.7461238952.

Adding to 651142023 its reverse (320241156), we get a palindrome (971383179).

The spelling of 651142023 in words is "six hundred fifty-one million, one hundred forty-two thousand, twenty-three".